Snowman mat



FIG. 1 is a front elevation view of a snowman mat showing my new design;

FIG. 2 is a rear elevation view of FIG. 1;

FIG. 3 is a left side elevation view of FIG. 1;

FIG. 4 is a right side elevation view of FIG. 1;

FIG. 5 is a top plan view of a snowman mat showing my new design; and,

FIG. 6 is a bottom plan view of a snowman mat showing my new design.

The ornamental design for a snowman mat, as shown and described.